ES2043074T3 - Procedimiento de fabricacion de pastillas combustibles nucleares que comprende la utilizacion de polvos fluyentes y sinterizables obtenidos directamente por precipitacion de peroxidos. - Google Patents
Procedimiento de fabricacion de pastillas combustibles nucleares que comprende la utilizacion de polvos fluyentes y sinterizables obtenidos directamente por precipitacion de peroxidos.Info
- Publication number
- ES2043074T3 ES2043074T3 ES89420249T ES89420249T ES2043074T3 ES 2043074 T3 ES2043074 T3 ES 2043074T3 ES 89420249 T ES89420249 T ES 89420249T ES 89420249 T ES89420249 T ES 89420249T ES 2043074 T3 ES2043074 T3 ES 2043074T3
- Authority
- ES
- Spain
- Prior art keywords
- nuclear fuel
- flowing
- manufacturing procedure
- obtained directly
- powders obtained
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B15/00—Peroxides; Peroxyhydrates; Peroxyacids or salts thereof; Superoxides; Ozonides
- C01B15/04—Metal peroxides or peroxyhydrates thereof; Metal superoxides; Metal ozonides; Peroxyhydrates thereof
- C01B15/047—Metal peroxides or peroxyhydrates thereof; Metal superoxides; Metal ozonides; Peroxyhydrates thereof of heavy metals
- C01B15/0475—Metal peroxides or peroxyhydrates thereof; Metal superoxides; Metal ozonides; Peroxyhydrates thereof of heavy metals of actinides
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01F—COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
- C01F15/00—Compounds of thorium
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01F—COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
- C01F17/00—Compounds of rare earth metals
- C01F17/30—Compounds containing rare earth metals and at least one element other than a rare earth metal, oxygen or hydrogen, e.g. La4S3Br6
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G27/00—Compounds of hafnium
- C01G27/02—Oxides
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G43/00—Compounds of uranium
- C01G43/01—Oxides; Hydroxides
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G56/00—Compounds of transuranic elements
- C01G56/004—Compounds of plutonium
- C01G56/005—Oxides; Hydroxides
-
- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21C—NUCLEAR REACTORS
- G21C3/00—Reactor fuel elements and their assemblies; Selection of substances for use as reactor fuel elements
- G21C3/42—Selection of substances for use as reactor fuel
- G21C3/58—Solid reactor fuel Pellets made of fissile material
- G21C3/62—Ceramic fuel
- G21C3/623—Oxide fuels
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/30—Particle morphology extending in three dimensions
- C01P2004/40—Particle morphology extending in three dimensions prism-like
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/60—Particles characterised by their size
- C01P2004/61—Micrometer sized, i.e. from 1-100 micrometer
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2006/00—Physical properties of inorganic compounds
- C01P2006/10—Solid density
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2006/00—Physical properties of inorganic compounds
- C01P2006/12—Surface area
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2006/00—Physical properties of inorganic compounds
- C01P2006/20—Powder free flowing behaviour
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2006/00—Physical properties of inorganic compounds
- C01P2006/60—Optical properties, e.g. expressed in CIELAB-values
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2006/00—Physical properties of inorganic compounds
- C01P2006/80—Compositional purity
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2006/00—Physical properties of inorganic compounds
- C01P2006/80—Compositional purity
- C01P2006/82—Compositional purity water content
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Physics & Mathematics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Ceramic Engineering (AREA)
- Plasma & Fusion (AREA)
- General Engineering & Computer Science (AREA)
- High Energy & Nuclear Physics (AREA)
- Inorganic Compounds Of Heavy Metals (AREA)
- Compositions Of Oxide Ceramics (AREA)
Abstract
PROCEDIMIENTO PARA LA OBTENCION DE PASTILLAS DE OXIDO MXOY, REPRESENTANDO M UNO O VARIOS ELEMENTOS UTILIZADOS PARA LA CONFECCION DE PASTILLAS COMBUSTIBLES NUCLEARES, QUE PERMITEN OBTENER DIRECTAMENTE, ES DECIR, SIN CONDICIONAMIENTO DE POLVOS INTERMEDIOS, PASTILLAS CALCINADAS DE DENSIDAD MUY GRANDE, QUE CONSISTE EN PARTIR DE UNA DISOLUCION DE SALES SOLUBLES DE LOS ELEMENTOS M, QUE SE TRATA CON H2O2 A UN PH MANTENIDO ENTRE 2 Y 2,5 EN UN REACTOR CONTINUO DE LECHO FLUIDO, QUE TIENE POR LO MENOS 3 REGIONES CILINDRICAS SUPERPUESTAS DE DIAMETROS DIFERENTES, ESTANDO AGITADA VIGOROSAMENTE LA ZONA CENTRAL, PARA OBTENER UN PRECIPITADO QUE SUFRE DESPUES UNA CALCINACION, UNA REDUCCION, UNA COMPRESION Y UNA CALCINACION.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8809845A FR2634048B1 (fr) | 1988-07-11 | 1988-07-11 | Procede de fabrication de pastilles combustibles nucleaires comportant la production et l'utilisation de poudres coulantes et frittables obtenues directement par precipitation de peroxydes |
Publications (1)
Publication Number | Publication Date |
---|---|
ES2043074T3 true ES2043074T3 (es) | 1993-12-16 |
Family
ID=9368623
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES89420249T Expired - Lifetime ES2043074T3 (es) | 1988-07-11 | 1989-07-10 | Procedimiento de fabricacion de pastillas combustibles nucleares que comprende la utilizacion de polvos fluyentes y sinterizables obtenidos directamente por precipitacion de peroxidos. |
Country Status (8)
Country | Link |
---|---|
US (1) | US4971734A (es) |
EP (1) | EP0351334B1 (es) |
JP (1) | JPH0648306B2 (es) |
CA (1) | CA1326348C (es) |
DE (1) | DE68908502T2 (es) |
ES (1) | ES2043074T3 (es) |
FR (1) | FR2634048B1 (es) |
RU (1) | RU2012071C1 (es) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2670945B1 (fr) * | 1990-12-19 | 1994-03-25 | Pechiney Uranium | Procede de fabrication de pastilles combustibles nucleaires frittees a partir de solutions et comportant une precipitation a l'aide de peroxyde d'hydrogene en milieu acide. |
US6372157B1 (en) * | 1997-03-24 | 2002-04-16 | The United States Of America As Represented By The United States Department Of Energy | Radiation shielding materials and containers incorporating same |
DE102007037473A1 (de) * | 2007-05-24 | 2008-11-27 | Nukem Technologies Gmbh | Verfahren zur Herstellung von kugelförmigen Brenn- oder Brutstoffpartikeln |
US8628733B2 (en) * | 2008-11-07 | 2014-01-14 | Areva Nc | Method for preparing uranium concentrates by fluidized bed precipitation, and preparation of UO3 and U3O8 by drying/calcining said concentrates |
WO2011082453A1 (en) * | 2010-01-08 | 2011-07-14 | Adelaide Control Engineers Pty Ltd | Apparatus for the production of yellowcake from a uranium peroxide precipitate |
US9822429B2 (en) * | 2010-01-08 | 2017-11-21 | Adelaide Control Engineers Pty Ltd. | Process for the production of a uranium trioxide yellowcake from a uranian peroxide precipitate |
FR3012127B1 (fr) * | 2013-10-22 | 2016-10-28 | Commissariat Energie Atomique | Procede de preparation d'une poudre comprenant une solution solide de dioxyde uranium et d'au moins un autre element actinide et/ou lanthanide |
FR3015453B1 (fr) * | 2013-12-20 | 2016-01-29 | Areva Nc | Procede de synthese d'un peroxyde ou hydroxoperoxyde mixte d'un actinyle et d'au moins un cation metallique di-, tri- ou tetracharge, peroxyde ou hydroxoperoxyde mixte ainsi obtenu et leurs applications |
FR3016360B1 (fr) * | 2014-01-14 | 2018-08-24 | Commissariat A L'energie Atomique Et Aux Energies Alternatives | Procede de preparation d'une poudre d'oxyde metallique, procede de fabrication d'une pastille d'oxyde metallique et utilisations des poudre et pastille telles qu'obtenues selon ces procedes |
CN111354493A (zh) * | 2018-12-24 | 2020-06-30 | 中核北方核燃料元件有限公司 | 一种颗粒分配装置及装置控制方法 |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1187352A (fr) * | 1959-09-24 | 1959-09-10 | Electrochimie Soc | Procédé pour l'agglomération de cristaux |
FR1335272A (fr) * | 1962-09-06 | 1963-08-16 | Nukem Gmbh | Procédé pour la fabrication de poudre de dioxyde d'uranium ainsi que les produits conformes ou similaires à ceux obtenus par ce procédé |
DE2623977C3 (de) * | 1976-05-28 | 1979-04-12 | Nukem Gmbh, 6450 Hanau | Verfahren und Vorrichtung zur Herstellung von rieselfähigem, direkt verpressbarem Urandioxid-Pulver |
JPS5939375B2 (ja) * | 1978-06-30 | 1984-09-22 | 三菱マテリアル株式会社 | 硝酸ウラニルからの三酸化ウランの製造法 |
US4254086A (en) * | 1978-12-27 | 1981-03-03 | Sanders Alfred P | Endothermal water decomposition unit for producing hydrogen and oxygen |
FR2508025A1 (fr) * | 1981-06-19 | 1982-12-24 | Ugine Kuhlmann | Peroxyde d'uranium sous forme de particules spheriques ayant une bonne coulabilite et son procede d'obtention |
US4522769A (en) * | 1982-08-24 | 1985-06-11 | General Electric Company | Method for the manufacture of nuclear fuel products |
-
1988
- 1988-07-11 FR FR8809845A patent/FR2634048B1/fr not_active Expired - Fee Related
-
1989
- 1989-07-10 ES ES89420249T patent/ES2043074T3/es not_active Expired - Lifetime
- 1989-07-10 RU SU894614515A patent/RU2012071C1/ru active
- 1989-07-10 US US07/377,117 patent/US4971734A/en not_active Expired - Fee Related
- 1989-07-10 EP EP89420249A patent/EP0351334B1/fr not_active Expired - Lifetime
- 1989-07-10 DE DE89420249T patent/DE68908502T2/de not_active Expired - Fee Related
- 1989-07-10 CA CA000605164A patent/CA1326348C/fr not_active Expired - Fee Related
- 1989-07-11 JP JP1178915A patent/JPH0648306B2/ja not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
EP0351334B1 (fr) | 1993-08-18 |
DE68908502D1 (de) | 1993-09-23 |
US4971734A (en) | 1990-11-20 |
FR2634048B1 (fr) | 1991-04-19 |
RU2012071C1 (ru) | 1994-04-30 |
FR2634048A1 (fr) | 1990-01-12 |
EP0351334A1 (fr) | 1990-01-17 |
DE68908502T2 (de) | 1994-02-24 |
JPH0648306B2 (ja) | 1994-06-22 |
JPH0273193A (ja) | 1990-03-13 |
CA1326348C (fr) | 1994-01-25 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
FG2A | Definitive protection |
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